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Simple PCIe FMC carrier SPEC
Commit b6a04228 authored by Federico Vaga's avatar Federico Vaga
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sw:drv:dma: be explicit in programmin the DMA transfer 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent a4cee437
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Showing with 7 additions and 9 deletions
software/kernel/spec-gn412x-dma.c
View file @ b6a04228
......@@ -336,15 +336,13 @@ static void gn412x_dma_irq_ack(struct gn412x_dma_device *gn412x_dma)
static void gn412x_dma_config(struct gn412x_dma_device *gn412x_dma,
struct gn412x_dma_tx_hw *tx_hw)
{
int i;
for (i = 0; i < (sizeof(struct gn412x_dma_tx_hw) / 4) - 1; ++i) {
uint32_t *tx = (uint32_t *)tx_hw;
void __iomem *addr_base;
addr_base = gn412x_dma->addr + GN412X_DMA_ADDR_MEM + (0x4 * i);
iowrite32(tx[i], addr_base);
}
iowrite32(tx_hw->start_addr, gn412x_dma->addr + GN412X_DMA_ADDR_MEM);
iowrite32(tx_hw->dma_addr_l, gn412x_dma->addr + GN412X_DMA_ADDR_L);
iowrite32(tx_hw->dma_addr_h, gn412x_dma->addr + GN412X_DMA_ADDR_H);
iowrite32(tx_hw->dma_len, gn412x_dma->addr + GN412X_DMA_LEN);
iowrite32(tx_hw->next_addr_l, gn412x_dma->addr + GN412X_DMA_NEXT_L);
iowrite32(tx_hw->next_addr_h, gn412x_dma->addr + GN412X_DMA_NEXT_H);
iowrite32(tx_hw->attribute, gn412x_dma->addr + GN412X_DMA_ATTR);
}
static int gn412x_dma_alloc_chan_resources(struct dma_chan *dchan)
......
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